Home / 10,999.33-16,498.68-5,299.01

Finding the Fourth Proportional to 10,999.33, 16,498.68 and 5,299.01

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Solution

The fourth proportional to 10,999.33, 16,498.68 and 5,299.01 is: 7,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.33 : 16,498.68 = 5,299.01 : x
  2. Step 2: Convert to fraction form
    10,999.33/16,498.68 = 5,299.01/x
  3. Step 3: Cross multiply
    10,999.33x = 16,498.68 × 5,299.01
  4. Step 4: Simplify right side
    10,999.33x = 87,426,669.55
  5. Step 5: Solve for x
    x = 87,426,669.55/10,999.33
  6. Step 6: Final answer
    x = 7,948.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.